High bit depth support, non-destructive editing (so called "effect layers") and colour management. Three hot topics in photography editing - that users have been waiting for for a long time now to appear in GIMP. Today Linux & Photography blog features an exclusive interview with Martin Nordholts, one of the core contributors to GIMP. Nordholts speaks about the current state of affairs, explains what is going on deep inside the GIMP (and GEGL) and also lifts a corner of the veil about what is to come.